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TransferTypesPlugin.java
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TransferTypesPlugin.java
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package com.vaadin.hilla.parser.plugins.transfertypes;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Stream;
import javax.annotation.Nonnull;
import com.fasterxml.jackson.databind.JsonNode;
import com.vaadin.hilla.mappedtypes.Order;
import com.vaadin.hilla.mappedtypes.Pageable;
import com.vaadin.hilla.mappedtypes.Sort;
import com.vaadin.hilla.parser.core.AbstractPlugin;
import com.vaadin.hilla.parser.core.Node;
import com.vaadin.hilla.parser.core.NodeDependencies;
import com.vaadin.hilla.parser.core.NodePath;
import com.vaadin.hilla.parser.core.Plugin;
import com.vaadin.hilla.parser.core.PluginConfiguration;
import com.vaadin.hilla.parser.models.ClassInfoModel;
import com.vaadin.hilla.parser.models.ClassRefSignatureModel;
import com.vaadin.hilla.parser.models.SignatureModel;
import com.vaadin.hilla.parser.plugins.backbone.BackbonePlugin;
import com.vaadin.hilla.parser.plugins.backbone.nodes.CompositeTypeSignatureNode;
import com.vaadin.hilla.parser.plugins.backbone.nodes.TypeSignatureNode;
import com.vaadin.hilla.parser.plugins.backbone.nodes.TypedNode;
import com.vaadin.hilla.runtime.transfertypes.EndpointSubscription;
import com.vaadin.hilla.runtime.transfertypes.Flux;
public final class TransferTypesPlugin
extends AbstractPlugin<PluginConfiguration> {
static private final Map<String, Class<?>> classMap = new HashMap<>();
static {
classMap.put("org.springframework.data.domain.Page", List.class);
classMap.put("org.springframework.data.domain.Pageable",
Pageable.class);
classMap.put("org.springframework.data.domain.Sort$Order", Order.class);
classMap.put("org.springframework.data.domain.Sort", Sort.class);
classMap.put(UUID.class.getName(), String.class);
classMap.put("reactor.core.publisher.Flux", Flux.class);
classMap.put("com.vaadin.hilla.EndpointSubscription",
EndpointSubscription.class);
classMap.put(JsonNode.class.getName(), Object.class);
}
public TransferTypesPlugin() {
super();
}
@Override
public void enter(NodePath<?> nodePath) {
}
@Override
public void exit(NodePath<?> nodePath) {
}
@Override
public Collection<Class<? extends Plugin>> getRequiredPlugins() {
return List.of(BackbonePlugin.class);
}
@Nonnull
@Override
public NodeDependencies scan(@Nonnull NodeDependencies nodeDependencies) {
return nodeDependencies.processChildNodes(this::processNodes)
.processRelatedNodes(this::processNodes);
}
private Node<?, ?> mapClassRefNodes(Node<?, ?> node) {
if (!(node instanceof TypedNode)) {
return node;
}
return (Node<?, ?>) ((TypedNode) node).processType(this::processType);
}
private Stream<Node<?, ?>> processNodes(Stream<Node<?, ?>> nodes) {
return nodes.map(this::mapClassRefNodes);
}
private SignatureModel processType(SignatureModel signature) {
if (!(signature instanceof ClassRefSignatureModel)) {
return signature;
}
var classRef = (ClassRefSignatureModel) signature;
var className = classRef.getClassInfo().getName();
if (!classMap.containsKey(className)) {
return signature;
}
var mappedClassInfo = ClassInfoModel.of(classMap.get(className));
return ClassRefSignatureModel.of(mappedClassInfo,
classRef.getTypeArguments(), classRef.getAnnotations());
}
}